<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<script>
		//window.onload == onload
		//window.setInterval()== setInterval()
		/*window.onload=function(){
			alert(1)
		}*/
		
		onload=function(){
			alert(1)
		}
	</script>
	<body>
	</body>
</html>
